[v2] powerpc: drop page_is_ram() and walk_system_ram_range()

[Michael Ellerman]

On Fri, 2019-02-01 at 10:46:52 UTC, Christophe Leroy wrote:
> Since commit c40dd2f76644 ("powerpc: Add System RAM to /proc/iomem")
> it is possible to use the generic walk_system_ram_range() and
> the generic page_is_ram().
> 
> To enable the use of walk_system_ram_range() by the IBM EHEA
> ethernet driver, the generic function has to be exported.
> 
> As powerpc was the only (last?) user of CONFIG_ARCH_HAS_WALK_MEMORY,
> the #ifdef around the generic walk_system_ram_range() has become
> useless and can be dropped.
> 
> Fixes: c40dd2f76644 ("powerpc: Add System RAM to /proc/iomem")
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/26b523356f49a0117c8f9e32ca98aa6d

cheers